Python QTreeWidget.setCurrentItem方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]

#.........这里部分代码省略.........
        if page is not None:
            self.configStack.addWidget(page)
            pageData[-1] = page
            try:
                page.setMode(self.displayMode)
            except AttributeError:
                pass
        return page
        
    def showConfigurationPageByName(self, pageName, setCurrent=True):
        """
        Public slot to show a named configuration page.
        
        @param pageName name of the configuration page to show (string)
        @param setCurrent flag indicating to set the current item (boolean)
        """
        if pageName == "empty" or pageName not in self.configItems:
            page = self.emptyPage
        else:
            pageData = self.configItems[pageName]
            if pageData[-1] is None and pageData[2] is not None:
                # the page was not loaded yet, create it
                page = self.__initPage(pageData)
            else:
                page = pageData[-1]
            if page is None:
                page = self.emptyPage
            elif setCurrent:
                items = self.configList.findItems(
                    pageData[0],
                    Qt.MatchFixedString | Qt.MatchRecursive)
                for item in items:
                    if item.data(0, Qt.UserRole) == pageName:
                        self.configList.setCurrentItem(item)
        self.configStack.setCurrentWidget(page)
        ssize = self.scrollArea.size()
        if self.scrollArea.horizontalScrollBar():
            ssize.setHeight(
                ssize.height() -
                self.scrollArea.horizontalScrollBar().height() - 2)
        if self.scrollArea.verticalScrollBar():
            ssize.setWidth(
                ssize.width() -
                self.scrollArea.verticalScrollBar().width() - 2)
        psize = page.minimumSizeHint()
        self.configStack.resize(max(ssize.width(), psize.width()),
                                max(ssize.height(), psize.height()))
        
        if page != self.emptyPage:
            page.polishPage()
            self.buttonBox.button(QDialogButtonBox.Apply).setEnabled(True)
            self.buttonBox.button(QDialogButtonBox.Reset).setEnabled(True)
        else:
            self.buttonBox.button(QDialogButtonBox.Apply).setEnabled(False)
            self.buttonBox.button(QDialogButtonBox.Reset).setEnabled(False)
        
        # reset scrollbars
        for sb in [self.scrollArea.horizontalScrollBar(),
                   self.scrollArea.verticalScrollBar()]:
            if sb:
                sb.setValue(0)
        
        self.__currentConfigurationPageName = pageName
        
    def getConfigurationPageName(self):
        """

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]
class MiscTab(QWidget):

    def __init__(self, parent=None):
        super().__init__(parent)
        self.name = self.tr("Misc")

        self.markColorLabel = QLabel(self.tr("Default flag colors:"), self)
        # TODO: enforce duplicate names avoidance
        self.markColorWidget = QTreeWidget(self)
        self.markColorWidget.setHeaderLabels(
            (self.tr("Color"), self.tr("Name")))
        self.markColorWidget.setRootIsDecorated(False)
        self.markColorWidget.setSelectionBehavior(
            QAbstractItemView.SelectRows)
        # TODO: make this work correctly, top-level items only
        # self.markColorWidget.setDragDropMode(QAbstractItemView.InternalMove)
        self.addItemButton = QPushButton("+", self)
        self.addItemButton.clicked.connect(self.addItem)
        self.removeItemButton = QPushButton("−", self)
        self.removeItemButton.clicked.connect(self.removeItem)

        self.loadRecentFileBox = QCheckBox(
            self.tr("Load most recent file on start"), self)

        layout = QGridLayout(self)
        l = 0
        layout.addWidget(self.markColorLabel, l, 0, 1, 3)
        l += 1
        layout.addWidget(self.markColorWidget, l, 0, 1, 3)
        l += 1
        layout.addWidget(self.addItemButton, l, 0)
        layout.addWidget(self.removeItemButton, l, 1)
        l += 1
        layout.addWidget(self.loadRecentFileBox, l, 0, 1, 3)
        self.setLayout(layout)

        self.readSettings()

    def addItem(self):
        def mangleNewName():
            name = self.tr("New")
            index = 0
            while self.markColorWidget.findItems(name, Qt.MatchExactly, 1):
                index += 1
                name = "{0} ({1})".format(name, index)
            return name

        # TODO: not DRY with ctor
        item = QTreeWidgetItem(self.markColorWidget)
        item.setFlags(item.flags() | Qt.ItemIsEditable)
        widget = ColorVignette(self)
        widget.setColor(QColor(Qt.white))
        widget.setMargins(2, 2, 2, 2)
        widget.setMayClearColor(False)
        self.markColorWidget.setItemWidget(item, 0, widget)
        item.setText(1, mangleNewName())

        self.markColorWidget.setCurrentItem(item)
        self.markColorWidget.editItem(item, 1)
        self.removeItemButton.setEnabled(True)

    def removeItem(self):
        i = self.markColorWidget.selectionModel().currentIndex().row()
        self.markColorWidget.takeTopLevelItem(i)
        if not self.markColorWidget.topLevelItemCount():
            self.removeItemButton.setEnabled(False)

    def readSettings(self):
        entries = settings.readMarkColors()
        for name, color in entries.items():
            item = QTreeWidgetItem(self.markColorWidget)
            item.setFlags(item.flags() | Qt.ItemIsEditable)
            widget = ColorVignette(self)
            widget.setColor(color)
            widget.setMargins(2, 2, 2, 2)
            widget.setMayClearColor(False)
            self.markColorWidget.setItemWidget(item, 0, widget)
            item.setText(1, name)
        if not len(entries):
            self.removeItemButton.setEnabled(False)

        loadRecentFile = settings.loadRecentFile()
        self.loadRecentFileBox.setChecked(loadRecentFile)

    def writeSettings(self):
        markColors = OrderedDict()
        for i in range(self.markColorWidget.topLevelItemCount()):
            item = self.markColorWidget.topLevelItem(i)
            name = item.text(1)
            color = self.markColorWidget.itemWidget(item, 0).color()
            markColors[name] = color
        settings.writeMarkColors(markColors)

        loadRecentFile = self.loadRecentFileBox.isChecked()
        settings.setLoadRecentFile(loadRecentFile)

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]

#.........这里部分代码省略.........
        self.framenr = frmnr
        self.debugServer.remoteClientVariables(0, self.localsFilter, frmnr)
        
        if self.__autoViewSource:
            self.__showSource()
        
    def __setGlobalsFilter(self):
        """
        Private slot to set the global variable filter.
        """
        filter = self.globalsFilterEdit.text()
        self.debugServer.remoteClientSetFilter(1, filter)
        self.debugServer.remoteClientVariables(2, self.globalsFilter)
        
    def __setLocalsFilter(self):
        """
        Private slot to set the local variable filter.
        """
        filter = self.localsFilterEdit.text()
        self.debugServer.remoteClientSetFilter(0, filter)
        if self.currentStack:
            self.debugServer.remoteClientVariables(
                0, self.localsFilter, self.framenr)
        
    def handleDebuggingStarted(self):
        """
        Public slot to handle the start of a debugging session.
        
        This slot sets the variables filter expressions.
        """
        self.__setGlobalsFilter()
        self.__setLocalsFilter()
        self.showVariablesTab(False)
        
    def currentWidget(self):
        """
        Public method to get a reference to the current widget.
        
        @return reference to the current widget (QWidget)
        """
        return self.__tabWidget.currentWidget()
        
    def setCurrentWidget(self, widget):
        """
        Public slot to set the current page based on the given widget.
        
        @param widget reference to the widget (QWidget)
        """
        self.__tabWidget.setCurrentWidget(widget)
        
    def showThreadList(self, currentID, threadList):
        """
        Public method to show the thread list.
        
        @param currentID id of the current thread (integer)
        @param threadList list of dictionaries containing the thread data
        """
        citm = None
        
        self.__threadList.clear()
        for thread in threadList:
            if thread['broken']:
                state = self.tr("waiting at breakpoint")
            else:
                state = self.tr("running")
            itm = QTreeWidgetItem(self.__threadList,
                                  ["{0:d}".format(thread['id']),
                                   thread['name'], state])
            if thread['id'] == currentID:
                citm = itm
        
        self.__threadList.header().resizeSections(QHeaderView.ResizeToContents)
        self.__threadList.header().setStretchLastSection(True)
        
        if citm:
            self.__doThreadListUpdate = False
            self.__threadList.setCurrentItem(citm)
            self.__doThreadListUpdate = True
        
    def __threadSelected(self, current, previous):
        """
        Private slot to handle the selection of a thread in the thread list.
        
        @param current reference to the new current item (QTreeWidgetItem)
        @param previous reference to the previous current item
            (QTreeWidgetItem)
        """
        if current is not None and self.__doThreadListUpdate:
            tid = int(current.text(0))
            self.debugServer.remoteSetThread(tid)
    
    def __callStackFrameSelected(self, frameNo):
        """
        Private slot to handle the selection of a call stack entry of the
        call stack viewer.
        
        @param frameNo frame number (index) of the selected entry (integer)
        """
        if frameNo >= 0:
            self.stackComboBox.setCurrentIndex(frameNo)

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]
class SessionsManager(QDialog):
    """Session Manager, to load different configurations of ninja."""

    def __init__(self, parent=None):
        super(SessionsManager, self).__init__(parent, Qt.Dialog)
        self._ninja = parent
        self.setModal(True)
        self.setWindowTitle(translations.TR_SESSIONS_TITLE)
        self.setMinimumWidth(550)
        self.setMinimumHeight(450)
        self._manager = _SessionManager(parent)
        self._load_ui()

    def install(self):
        self._manager.load_sessions()

    def _load_ui(self):
        main_layout = QVBoxLayout(self)
        main_layout.addWidget(QLabel(translations.TR_SESSIONS_DIALOG_BODY))
        main_hbox = QHBoxLayout()
        # Session list
        session_layout = QVBoxLayout()
        self._session_list = QTreeWidget()
        self._session_list.setHeaderLabels(["Session", "Last Modified"])
        session_layout.addWidget(self._session_list)
        # Content frame
        content_frame = QFrame()
        content_frame.hide()
        frame_layout = QVBoxLayout(content_frame)
        content_frame.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken)
        session_layout.addWidget(content_frame)
        frame_layout.setContentsMargins(0, 0, 0, 0)
        self._content_list = QTreeWidget()
        self._content_list.setHeaderHidden(True)
        frame_layout.addWidget(self._content_list)
        # Separator line
        line_frame = QFrame()
        line_frame.setFrameStyle(QFrame.VLine | QFrame.Sunken)
        # Buttons
        btn_layout = QVBoxLayout()
        btn_create = QPushButton(translations.TR_SESSIONS_BTN_CREATE)
        btn_activate = QPushButton(translations.TR_SESSIONS_BTN_ACTIVATE)
        btn_update = QPushButton(translations.TR_SESSIONS_BTN_UPDATE)
        btn_delete = QPushButton(translations.TR_SESSIONS_BTN_DELETE)
        btn_details = QPushButton(translations.TR_SESSIONS_BTN_DETAILS)
        btn_details.setCheckable(True)
        # Add buttons to layout
        btn_layout.addWidget(btn_create)
        btn_layout.addWidget(btn_activate)
        btn_layout.addWidget(btn_update)
        btn_layout.addWidget(btn_delete)
        btn_layout.addStretch()
        btn_layout.addWidget(btn_details)
        # Add widgets and layouts to the main layout
        main_layout.addLayout(main_hbox)
        main_hbox.addLayout(session_layout)
        main_hbox.addWidget(line_frame)
        main_hbox.addLayout(btn_layout)
        main_hbox.setSizeConstraint(QLayout.SetFixedSize)
        btn_details.toggled[bool].connect(content_frame.setVisible)
        # Connections
        self._session_list.itemSelectionChanged.connect(
            self.load_session_content)
        btn_activate.clicked.connect(self.open_session)
        btn_update.clicked.connect(self.save_session)
        btn_create.clicked.connect(self.create_session)
        btn_delete.clicked.connect(self.delete_session)

    def __load_sessions(self):
        for session_name in self._manager.sessions:
            item = QTreeWidgetItem()
            item.setText(0, session_name)
            item.setText(1, "FIXME: manage this!")
            self._session_list.addTopLevelItem(item)
        self._session_list.setCurrentItem(
            self._session_list.topLevelItem(0))

    def load_session_content(self):
        """Load the selected session, replacing the current session."""
        item = self._session_list.currentItem()
        self._content_list.clear()
        if item is not None:
            key = item.text(0)
            files, projects = self._manager.get_session(key)
            files_parent = QTreeWidgetItem(
                self._content_list, [translations.TR_FILES])
            for ffile in files:
                QTreeWidgetItem(files_parent, [ffile[0]])
            projects_parent = QTreeWidgetItem(
                self._content_list, [translations.TR_PROJECT])
            for project in projects:
                QTreeWidgetItem(projects_parent, [project])

            files_parent.setExpanded(True)
            projects_parent.setExpanded(True)

    def create_session(self):
        """Create a new Session."""
        session_info = QInputDialog.getText(
            None, translations.TR_SESSIONS_CREATE_TITLE,
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]

#.........这里部分代码省略.........

        # End of line, Stop Scrolling At Last Line, Trailing space, Word wrap
        vboxg6 = QVBoxLayout(group6)
        vboxg6.setContentsMargins(5, 15, 5, 5)
        self._checkEndOfLine = QCheckBox(
            translations.TR_PREFERENCES_EDITOR_CONFIG_END_OF_LINE)
        self._checkEndOfLine.setChecked(settings.USE_PLATFORM_END_OF_LINE)
        vboxg6.addWidget(self._checkEndOfLine)
        self._checkEndAtLastLine = QCheckBox(
            translations.TR_PREFERENCES_EDITOR_CONFIG_END_AT_LAST_LINE)
        self._checkEndAtLastLine.setChecked(settings.END_AT_LAST_LINE)
        vboxg6.addWidget(self._checkEndAtLastLine)
        self._checkTrailing = QCheckBox(
            translations.TR_PREFERENCES_EDITOR_CONFIG_REMOVE_TRAILING)
        self._checkTrailing.setChecked(settings.REMOVE_TRAILING_SPACES)
        vboxg6.addWidget(self._checkTrailing)
        self._allowWordWrap = QCheckBox(
            translations.TR_PREFERENCES_EDITOR_CONFIG_WORD_WRAP)
        self._allowWordWrap.setChecked(settings.ALLOW_WORD_WRAP)
        vboxg6.addWidget(self._allowWordWrap)
        formFeatures.addWidget(group6, 3, 1)

        # pack all the groups
        vbox.addWidget(container_widget_with_all_preferences)
        vbox.addItem(QSpacerItem(0, 10, QSizePolicy.Expanding,
                     QSizePolicy.Expanding))

        self._preferences.savePreferences.connect(self.save)

    def _add_code_pep8(self):
        item = QTreeWidgetItem()
        item.setFlags(item.flags() | Qt.ItemIsEditable)
        self._listIgnoreViolations.addTopLevelItem(item)
        self._listIgnoreViolations.setCurrentItem(item)
        self._listIgnoreViolations.editItem(item, 0)

    def _remove_code_pep8(self):
        index = self._listIgnoreViolations.indexOfTopLevelItem(
            self._listIgnoreViolations.currentItem())
        self._listIgnoreViolations.takeTopLevelItem(index)

    def _enable_check_inline(self, val):
        """Method that takes a value to enable the inline style checking"""
        if val == Qt.Checked:
            self._checkStyle.setChecked(True)

    def _enable_errors_inline(self, val):
        """Method that takes a value to enable the inline errors checking"""
        if val == Qt.Checked:
            self._checkErrors.setChecked(True)

    def _disable_check_style(self, val):
        """Method that takes a value to disable the inline style checking"""
        if val == Qt.Unchecked:
            self._checkStyleOnLine.setChecked(False)

    def _disable_show_errors(self, val):
        """Method that takes a value to disable the inline errors checking"""
        if val == Qt.Unchecked:
            self._showErrorsOnLine.setChecked(False)

    def save(self):
        """Method to save settings"""
        qsettings = IDE.ninja_settings()
        settings.USE_TABS = bool(self._checkUseTabs.currentIndex())
        qsettings.setValue('preferences/editor/useTabs',

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]
class Preferences(QDialog):
#
    configuration = {}
    weight = 0
#
    savePreferences = pyqtSignal()
#
    def __init__(self, parent=None):
        super(Preferences, self).__init__(parent, Qt.Dialog)
        self.setWindowTitle(translations.TR_PREFERENCES_TITLE)
        self.setMinimumSize(QSize(900, 600))
        vbox = QVBoxLayout(self)
        hbox = QHBoxLayout()
        vbox.setContentsMargins(0, 0, 5, 5)
        hbox.setContentsMargins(0, 0, 0, 0)
#
        self.tree = QTreeWidget()
        self.tree.header().setHidden(True)
        self.tree.setSelectionMode(QTreeWidget.SingleSelection)
        self.tree.setAnimated(True)
        self.tree.header().setHorizontalScrollMode(
            QAbstractItemView.ScrollPerPixel)
        self.tree.header().setSectionResizeMode(0, QHeaderView.ResizeToContents)
        self.tree.header().setStretchLastSection(False)
        self.tree.setFixedWidth(200)
        self.stacked = QStackedLayout()
        hbox.addWidget(self.tree)
        hbox.addLayout(self.stacked)
        vbox.addLayout(hbox)
#
        hbox_footer = QHBoxLayout()
        self._btnSave = QPushButton(translations.TR_SAVE)
        self._btnCancel = QPushButton(translations.TR_CANCEL)
        hbox_footer.addSpacerItem(QSpacerItem(1, 0, QSizePolicy.Expanding))
        hbox_footer.addWidget(self._btnCancel)
        hbox_footer.addWidget(self._btnSave)
        vbox.addLayout(hbox_footer)
#
        self.tree.itemSelectionChanged.connect(self._change_current)
        self._btnCancel.clicked['bool'].connect(self.close)
        self._btnSave.clicked['bool'].connect(self._save_preferences)
#
        self.load_ui()
        self.tree.setCurrentItem(self.tree.topLevelItem(0))
#
    def _save_preferences(self):
        self.savePreferences.emit()
        self.close()
#
    def load_ui(self):
        sections = sorted(
            list(Preferences.configuration.keys()),
            key=lambda item: Preferences.configuration[item]['weight'])
        for section in sections:
            text = Preferences.configuration[section]['text']
            Widget = Preferences.configuration[section]['widget']
            widget = Widget(self)
            area = QScrollArea()
            area.setWidgetResizable(True)
            area.setWidget(widget)
            self.stacked.addWidget(area)
            index = self.stacked.indexOf(area)
            item = QTreeWidgetItem([text])
            item.setData(0, Qt.UserRole, index)
            self.tree.addTopLevelItem(item)
#
            #Sort Item Children
            subcontent = Preferences.configuration[section].get(
                'subsections', {})
            subsections = sorted(list(subcontent.keys()),
                                 key=lambda item: subcontent[item]['weight'])
            for sub in subsections:
                text = subcontent[sub]['text']
                Widget = subcontent[sub]['widget']
                widget = Widget(self)
                area = QScrollArea()
                area.setWidgetResizable(True)
                area.setWidget(widget)
                self.stacked.addWidget(area)
                index = self.stacked.indexOf(area)
                subitem = QTreeWidgetItem([text])
                subitem.setData(0, Qt.UserRole, index)
                item.addChild(subitem)
#
        self.tree.expandAll()
#
    def _change_current(self):
        item = self.tree.currentItem()
        index = item.data(0, Qt.UserRole)
        self.stacked.setCurrentIndex(index)
#
    @classmethod
    def register_configuration(cls, section, widget, text, weight=None,
                               subsection=None):
        if weight is None:
            Preferences.weight += 1
            weight = Preferences.weight
        if not subsection:
            Preferences.configuration[section] = {'widget': widget,
                                                  'weight': weight,
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]
class FontsColors(preferences.Page):
    def __init__(self, dialog):
        super(FontsColors, self).__init__(dialog)

        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(layout)
        
        self.scheme = SchemeSelector(self)
        layout.addWidget(self.scheme)
        
        self.printScheme = QCheckBox()
        layout.addWidget(self.printScheme)
        
        hbox = QHBoxLayout()
        self.tree = QTreeWidget(self)
        self.tree.setHeaderHidden(True)
        self.tree.setAnimated(True)
        self.stack = QStackedWidget(self)
        hbox.addWidget(self.tree)
        hbox.addWidget(self.stack)
        layout.addLayout(hbox)
        
        hbox = QHBoxLayout()
        self.fontLabel = QLabel()
        self.fontChooser = QFontComboBox()
        self.fontSize = QDoubleSpinBox()
        self.fontSize.setRange(6.0, 32.0)
        self.fontSize.setSingleStep(0.5)
        self.fontSize.setDecimals(1)
        hbox.addWidget(self.fontLabel)
        hbox.addWidget(self.fontChooser, 1)
        hbox.addWidget(self.fontSize)
        layout.addLayout(hbox)
        
        # add the items to our list
        self.baseColorsItem = i = QTreeWidgetItem()
        self.tree.addTopLevelItem(i)
        self.defaultStylesItem = i = QTreeWidgetItem()
        self.tree.addTopLevelItem(i)
        
        self.defaultStyles = {}
        for name in textformats.defaultStyles:
            self.defaultStyles[name] = i = QTreeWidgetItem()
            self.defaultStylesItem.addChild(i)
            i.name = name
        self.defaultStylesItem.setExpanded(True)
        
        self.allStyles = {}
        for group, styles in ly.colorize.default_mapping():
            i = QTreeWidgetItem()
            children = {}
            self.allStyles[group] = (i, children)
            self.tree.addTopLevelItem(i)
            i.group = group
            for name, base, clss in styles:
                j = QTreeWidgetItem()
                j.name = name
                j.base = base
                i.addChild(j)
                children[name] = j
        
        self.baseColorsWidget = BaseColors(self)
        self.customAttributesWidget = CustomAttributes(self)
        self.emptyWidget = QWidget(self)
        self.stack.addWidget(self.baseColorsWidget)
        self.stack.addWidget(self.customAttributesWidget)
        self.stack.addWidget(self.emptyWidget)
        
        self.tree.currentItemChanged.connect(self.currentItemChanged)
        self.tree.setCurrentItem(self.baseColorsItem)
        self.scheme.currentChanged.connect(self.currentSchemeChanged)
        self.scheme.changed.connect(self.changed)
        self.baseColorsWidget.changed.connect(self.baseColorsChanged)
        self.customAttributesWidget.changed.connect(self.customAttributesChanged)
        self.fontChooser.currentFontChanged.connect(self.fontChanged)
        self.fontSize.valueChanged.connect(self.fontChanged)
        self.printScheme.clicked.connect(self.printSchemeChanged)
        
        app.translateUI(self)
        
    def translateUI(self):
        self.printScheme.setText(_("Use this scheme for printing"))
        self.fontLabel.setText(_("Font:"))
        self.baseColorsItem.setText(0, _("Base Colors"))
        self.defaultStylesItem.setText(0, _("Default Styles"))
        
        self.defaultStyleNames = defaultStyleNames()
        self.allStyleNames = allStyleNames()
        
        for name in textformats.defaultStyles:
            self.defaultStyles[name].setText(0, self.defaultStyleNames[name])
        for group, styles in ly.colorize.default_mapping():
            try:
                n = self.allStyleNames[group][0]
            except KeyError:
                n = group
            self.allStyles[group][0].setText(0, n)
            for name, base, clss in styles:
                try:
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import setCurrentItem [as 别名]

#.........这里部分代码省略.........

        # show actions that are left, grouped by collection
        titlegroups = {}
        for a in left[:]: # copy
            collection, name = allactions[a]
            if collection.title():
                titlegroups.setdefault(collection.title(), []).append(a)
                left.remove(a)
        for title in sorted(titlegroups):
            item = QTreeWidgetItem(["{0}:".format(title)])
            for a in titlegroups[title]:
                item.addChild(ShortcutItem(a, *allactions[a]))
            self.tree.addTopLevelItem(item)
            item.setFlags(Qt.ItemIsEnabled) # disable selection

        # show other actions that were not in the menus
        item = QTreeWidgetItem([_("Other commands:")])
        for a in left:
            if a.text() and not a.menu():
                item.addChild(ShortcutItem(a, *allactions[a]))
        if item.childCount():
            self.tree.addTopLevelItem(item)
            item.setFlags(Qt.ItemIsEnabled) # disable selection

        self.tree.expandAll()

        item = self.tree.topLevelItem(0).child(0)
        if _lastaction:
            # find the previously selected item
            for i in self.items():
                if i.name == _lastaction:
                    item = i
                    break
        self.tree.setCurrentItem(item)
        self.tree.resizeColumnToContents(0)

    def items(self):
        """Yield all the items in the actions tree."""
        def children(item):
            for i in range(item.childCount()):
                c = item.child(i)
                if c.childCount():
                    for c1 in children(c):
                        yield c1
                else:
                    yield c
        for c in children(self.tree.invisibleRootItem()):
            yield c

    def item(self, collection, name):
        for item in self.items():
            if item.collection.name == collection and item.name == name:
                return item

    def saveSettings(self):
        self.scheme.saveSettings("shortcut_scheme", "shortcut_schemes", "shortcuts")
        for item in self.items():
            for scheme in self.scheme.schemes():
                item.save(scheme)
            item.clearSettings()
            item.switchScheme(self.scheme.currentScheme())

    def loadSettings(self):
        self.scheme.loadSettings("shortcut_scheme", "shortcut_schemes")
        # clear the settings in all the items
        for item in self.items():